1884.] NATURAL SCIENCES OP PHILADELPHIA. 173 



dorsal double, a short anterior and long posterior one, a long 

 anal corresponding to the second dorsal ; ribs wide^ approximated, 

 and channeled below or with infiected sides, and paired excavated 

 frontal bones with divergent crests continuous from the forked 

 occipital crest. 



BEEGMACEROTID^. 

 Synonymy. 



= Bregmacerotidm, Gill, Arrangement Families of Fishes, p. 3, 1873. 

 Blenniidos, gen., Richardson. 

 Oadidm, gen., Giinther, Day. 



Gradoidea? with a robust caudal portion truncate or convex 

 behind, almost without procurrent caudal rays above or below, 

 with an antemedian anus, moderate suborbitals, terminal mouth, 

 jugular ventrals abnormally developed ; an occipital ray, and 

 behind a continuous dorsal fin, confined to the caudal portion, 

 and an anal nearly similar to the long dorsal. 



RANICEPITID^. 



Family Synonyms. 



= New Family, Pamell, Mag. of Zool. and Bot., v. 1, p. — , 1837. (Not 



named, but indicated. ) 

 ■= Ranicepitidm, Gill, Arrangement of Fam. of Fishes, p. 3, 1873. 

 Jugulaires, gen., Dumeril. 

 Oadinea, gen., Rafinesque. 

 Oadoides, gen., Cuvier. 

 OadidcRf gen., Bonaparte, et al. 

 Gadoidea, gen., Bleeker. 

 Oadi, gen., Fitzinger. 



Subfamily Synonym. 

 = Banicepini, Bonaimite. 



Gadoidea? with a moderate caudal portion, coniform behind, 

 and with caudal rays procurrent, submedian anus, moderate sub- 

 orbital bones, terminal mouth, jugular ventrals, dorsal (typically) 

 double, an anterior small and posterior long one, anal corre- 

 sponding to second dorsal, and rudimentary pyloric caeca in 

 reduced number {2). 



MACRURID^. 



Family Synonyms. 



< LopMonotes, Dumeril, Zoologie Analytique, p. 129, 1806. 



< Trachinidi, Rafinesque, Indice d'lttiolog. Siciliana, p. 12, 1810. 



< Cephalosomes, Blainville, Journal de Physique, t. 83, p, — , 1818. 



